LIEBHERR A918 COMPACT LITRONIC CRAWLER EXCAVATORS

Technical Description

The Liebherr A918 Compact Litronic is a highly versatile wheeled mobile excavator engineered for optimum performance and maneuverability on confined construction sites. It features a 4-cylinder in-line Liebherr D924 diesel engine delivering 154 hp (115 kW) at 1800 rpm, with water cooling and a displacement of 274.6 cu in. The machine operates on a 24-volt electrical system supported by two 135 Ah/12 V batteries and a three-phase alternator providing 28 V/140 A. Its operating weight is approximately 43,200 lbs, ensuring stability and robustness in demanding tasks. The A918 Compact offers multiple boom/stick configurations, with maximum digging depths ranging from 16.3 ft to 18.4 ft and maximum reach along the ground of up to 29 ft. Its maximum breakout force reaches 22,000 lbs, reflecting its strong excavation capacity. The machine supports bucket capacities between 0.3 and 1.4 cubic yards, paired with ground clearance of 1.2 ft, an overall width of 99 inches, and a tail swing radius of 6.1 ft, optimizing operation in tight spaces. Its hydraulic system features a Liebherr axial piston variable displacement pump with a flow capacity of 79 gpm and a relief valve pressure of 5076 psi, holding up to 79.3 gallons of hydraulic fluid. The excavator’s swing mechanism delivers 10 rpm swing speed and swing torque up to 36,878 lb-ft. It achieves a maximum travel speed of 18.6 mph (29 kph) with an 8.4 ft wheelbase. Shipping dimensions vary slightly with boom option, generally around 9.8 to 10.6 ft height and 27.1 to 27.5 ft length. Designed for productivity and safety, this compact excavator combines power, precision, and advanced hydraulics suitable for diverse earthmoving tasks in confined and urban environments.